Home / 15,307.72-22,957.78-4,213.84

Finding the Fourth Proportional to 15,307.72, 22,957.78 and 4,213.84

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Solution

The fourth proportional to 15,307.72, 22,957.78 and 4,213.84 is: 6,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.72 : 22,957.78 = 4,213.84 : x
  2. Step 2: Convert to fraction form
    15,307.72/22,957.78 = 4,213.84/x
  3. Step 3: Cross multiply
    15,307.72x = 22,957.78 × 4,213.84
  4. Step 4: Simplify right side
    15,307.72x = 96,740,411.68
  5. Step 5: Solve for x
    x = 96,740,411.68/15,307.72
  6. Step 6: Final answer
    x = 6,319.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.